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Critical Care
Narendra Rungta, Rajesh Pande, Manish Munjal, Sudhir Khunteta
SECTION 1: GENERAL
CHAPTER 1:
Assessment of Critically Ill Patients
INTRODUCTION
OBJECTIVES
CHANGE OF APPROACH
FIX PHYSIOLOGY
Airway (Patency/Securing of Airway)
Breathing (Respiratory Rate, SpO2 , Arterial Blood Gas, Types of Respiratory Failure)
Circulation (Tissue Perfusion, Types of Shock, Pulse Pressure)
Assessment of Disability and Drug (AVPU Score)
Excretion
Fluid Status and Electrolytes
General Examination—Simple and Quick
MONITORING: REVIEW RESPONSE
INVESTIGATIONS: IDENTIFYING THE UNDERLYING PROBLEM
TREATMENT: TURNING DATA INTO EFFECTIVE ACTION
Evidence Tidbits—Top Five Signs of Physiological Deterioration
CHAPTER 2:
Airway Management in ICU
INTRODUCTION
Airway Management Techniques
ANATOMY OF AIRWAYS
Nerve Supply
BASIC AIRWAY MANAGEMENT TECHNIQUES
NONINVASIVE AIRWAY MANAGEMENT
Oropharyngeal Airways
Insertion
Uses
Nasopharyngeal Airway
Indications
Contraindications
Uses
Description
Complications
Laryngeal Mask Airway
Description
Insertion Technique
Flexible LMA (Fig. 13)
Intubating LMA (Fastrach™)
Contraindication
Complications
INVASIVE AIRWAY MANAGEMENT
Esophageal-Tracheal Combitube (Fig. 16)
Endotracheal Intubation
Cricothyroidotomy
Tracheostomy
DIFFICULT AIRWAY MANAGEMENT
Assessment of Difficult Airway
Anatomical Features
Mallampati Classification
Cormack–Lehane Classification
CHAPTER 3:
Hemodynamic Monitoring in ICU
INTRODUCTION
PHYSIOLOGICAL CONSIDERATIONS
HEMODYNAMIC MONITORING: CLINICAL
MONITORING INVASIVE ARTERIAL BLOOD PRESSURE
Central Venous Pressure
Fluid Challenge
Pulmonary Artery Catheter
Dynamic Measures of Fluid Responsiveness
End-Expiratory Occlusion Test
Passive Leg Raising
Minimally Invasive Cardiac Output Monitoring
Aortic Doppler
MONITORING MARKERS OF PERFUSION (DOWNSTREAM MARKERS)
Serum Lactates
Lactate and Critical Illness
Rationale for Lactate Measurement
Venous Oximetry
Rationale for Venous Oximetry
Relationship between Central Venous Oxygen Saturation and Mixed Venous Oxygen Saturation
Clinical Utility of Venous Oximetry
Limitations of Venous Oximetry
MONITORING MICROCIRCULATION
Gastric Tonometry
Sublingual Capnometry
Indocyanine Green Clearance
Near Infrared Spectroscopy
CHOOSING PATIENT-TAILORED HEMODYNAMIC MONITORING
SUMMARY
CHAPTER 4:
Fluid Balance in Critically III Patients
INTRODUCTION
SODIUM
POTASSIUM
Pathophysiology
Passive Leg Raising
Stroke Volume Variation or Pulse Pressure Variation
Inferior Vena Cava Diameter Variation
Transthoracic Echocardiography or Transesophageal Echocardiography
Ventricular Size
CONCLUSION
CHAPTER 5:
Vasopressors and Inotropes
INTRODUCTION
MECHANISM OF ACTION OF CATECHOLAMINES
BASIC PRINCIPLES OF USE OF INOTROPES AND VASOPRESSORS
Hypotension
Volume Resuscitation
Selection and Titration
Tachyphylaxis
Hemodynamic Interactions
Central Line for Infusion is a Must
Invasive Arterial Pressure Line in the Radial or Femoralartery is a Must
PHYSIOLOGY OF INOTROPES
Force and Rate of Myocardial Contraction: Inotropy and Chronotropy
PHARMACOLOGY OF INDIVIDUAL AGENTS
DRUG CLASSIFICATION OF INOTROPES AND VASOPRESSORS
CATECHOLAMINE VASOPRESSORS AND INOTROPES
Phenylephrine
Norepinephrine
Ephedrine
Epinephrine
Dobutamine
Dopamine
Isoproterenol
Noncatecholamine Vasopressors and Inotropes
Vasopressin
Terlipressin
PHOSPHODIESTERASE INHIBITORS
Milrinone
NEWER AGENTS
Nitric Oxide Synthase Inhibitors
Levosimendan
Tezosentan
CLINICAL EVIDENCE OF INOTROPES AND VASOPRESSOR USE IN DIFFERENT CLINICAL STUDY
Dosing and Administration in Different Clinical Trials
INOTROPES FOR CARDIOGENIC SHOCK, CONGESTIVE HEART FAILURE AND POSTOPERATIVE SUPPORT
Anemia and Vasopressors Use
CLINICAL USES HEMODYNAMIC GOALS IN SEPTIC SHOCK AND ACUTE RESPIRATORY DISTRESS SYNDROME
Level of Evidence According to the Surviving Sepsis Guidelines
CONCLUSION
CHAPTER 6:
Multiple Organ Dysfunction Syndrome
INTRODUCTION
DEFINITION
MECHANISMS OF MULTIPLE ORGAN DYSFUNCTION SYNDROME
PATHOGENESIS
GUT HYPOTHESIS
Endotoxin-Macrophage Hypothesis
Tissue Hypoxia-Microvascular Hypothesis
The Two-Event Hypothesis
Integrated Hypothesis
MANAGEMENT OF MULTIPLE ORGAN DYSFUNCTION SYNDROME/MULTIPLE ORGAN FAILURE
PREVENTION OF MULTIPLE ORGAN DYSFUNCTION SYNDROME
PROGNOSIS
CONCLUSION
CHAPTER 7:
Cardiopulmonary Resuscitation: A Paradigm Shift
CARDIAC ARREST
CARDIOPULMONARY RESUSCITATION
HISTORY OF CPR
EPIDEMIOLOGY
BASIC LIFE SUPPORT
Key Changes and Highlights of 2010 AHA Guidelines
CHAIN OF SURVIVAL
Hands-Only CPR or Cardio Cerebral Resuscitation (CCR)
Advantages
Limitations
ADVANCED CARDIAC LIFE SUPPORT
Key Issues and Major Changes
CONCLUSION
CHAPTER 8:
Therapeutic Hypothermia
INTRODUCTION
Patient Selection
INDUCTION PHASE
External Cooling
Internal Cooling
MAINTENANCE PHASE
REWARMING PHASE
Adverse Effects of Therapeutic Hypothermia
CHAPTER 9:
Management of Organ Donor
INTRODUCTION
WHEN TO TEST FOR BRAIN-DEATH?
TESTS OF BRAINSTEM DEATH
CLASSIFICATION OF ORGAN DONORS
DIFFERENT LEVELS OF CARE REQUIRED IN BRAIN-DEAD PATIENTS
Incidence of Changes After Brain Death
PRINCIPLES OF DONOR MANAGEMENT
ORGAN DONOR MANAGEMENT
OTHER ISSUES IN BRAIN-DEAD PATIENTS
CHAPTER 10:
Scoring Systems in ICU
SCORING SYSTEMS IN ICU
DIFFERENT ICU SCORING SYSTEMS
EVOLUTION OF DIFFERENT SCORING SYSTEMS
Acute Physiology and Chronic Health Evaluation (Table 1)
Simplif ied Acute Physiology Score
Mortality Prediction Model
Sequential Organ Failure Assessment (Table 2)
Multiple Organ Dysfunction Score (Table 3)
Logistic Organ Dysfunction Model
Three-day Recalibrated ICU Outcome Score
COMPARISON BETWEEN MODELS (APACHE VS MPM VS SAPS)
STEPS INVOLVED IN DEVELOPING A SCORING SYSTEM MODEL
PRACTICAL USE OF APACHE IV IN A MULTIDISCIPLINARY ICU TO EVALUATE OUTCOME
PITFALLS IN APPLICATION OF SCORING SYSTEMS
CONCLUSION
CHAPTER 11:
Guidelines for ICU Planning and Designing in India
INTRODUCTION
Need for a New ICU/Renovation of the Old One
GOAL
ICU Planning
CRITICAL CARE UNIT (CCU)— FUNCTIONAL MODEL
Size and Arrangement of Critical Care Unit
Number of Beds and Number of ICU as Needed for the Institution
ICU Bed Designing and Space Issues
Nursing Station Designing and Planning
Design of Patient Care Zone
CLINICAL SUPPORT ZONE
UNIT SUPPORT ZONE
FAMILY SUPPORT ZONE
HIGH DEPENDENCY UNIT
SUMMARY
CHAPTER 12:
Guidelines and Protocols in ICU
INTRODUCTION
HISTORICAL BACKGROUND OF CLINICAL PRACTICE AND GUIDELINES
DEFINING TERM
Guidelines
Protocols
GUIDELINES AND PROTOCOLS AVAILABLE IN INTENSIVE CARE FOR HEALTHCARE PROFESSIONALS
Why these Guidelines and Protocols are Needed
Potential Benefits of Clinical Practice Guidelines
Potential Benefits for Patients
Potential Benefits for Healthcare Professionals
Potential Benefits for Healthcare Services
Potential Limitations and Harms of Guidelines
Potential Harms to Patients
Potential Harms to Healthcare Professionals
Potential Harms to Healthcare Systems
CONCLUSION
CHAPTER 13:
Clinical Audit and Handoff in ICU
CLINICAL AUDIT IN ICU
Standard-Based Audit
Significant Event Audit
Peer Review Audit
Stage I: Identify the Problem or Issue
Stage 2: Define Criteria and Standard
Stage 3: Data Collection
Stage 4: Compare Performance with Criteria and Standards
Stage 5: Implementation Stage
Stage 6: Reaudit: Sustaining Improvements
HANDOFF IN ICU
Strategy I (Also Called Bed to Bed, Make Sure all is Said)
Strategy II (Also Called Save the Sick, Do the Others Quick)
Strategy III (Also Called New Demand, Change the Plan)
CHAPTER 14:
Critical Care Nursing in India
INTRODUCTION
QUALITY OF EDUCATION
Distance Education
Foreign Exchange Program
HUMAN RESOURCES AND NURSING
SECTION 2: CARDIAC CARE
CHAPTER 15:
Acute Coronary Syndrome
DEFINITION
CLINICAL CLASSIFICATION OF MYOCARDIAL INFARCTION
PATHOPHYSIOLOGY
DIAGNOSIS
History and Examination
Electrocardiogram
Biomarkers
Troponin
Creatine Kinase
Imaging
Laboratory Tests
RISK STRATIFICATION
MANAGEMENT
ST-Segment Elevation Myocardial Infarction
Reperfusion
Anticoagulation
Antiplatelets
Non-ST-Segment Elevation Myocardial Infarction
Low-Risk Non-ST-Segment Elevation Myocardial Infarction
High-Risk Non-ST-Segment Elevation Myocardial Infarction
Adjunctive Therapy
Nitrates
Beta-Blockers
Angiotensin Converting Enzyme Inhibitors
Statin Therapy
Supportive Therapy
CHAPTER 16:
Heart Failure
INTRODUCTION
DEFINITION OF HEART FAILURE
Definition of Acute Decompensated Heart Failure
Heart Failure with Reduced Ejection Fraction
Heart Failure with Preserved Ejection Fraction
ETIOLOGY
FUNCTIONAL CLASSIFICATION OF HEART FAILURE
New York Heart Association Classification
ACC/AHA Stage of Heart Failure
PATHOPHYSIOLOGY OF HEART FAILURE
DIAGNOSIS
History and Physical Examination
Cardiovascular Examination
Respiratory Examination
Abdominal Examination
General Physical Examination
INVESTIGATIONS
Electrocardiogram
Chest Radiography
Echocardiography
B-type Natriuretic Peptides
Cardiac Causes
Noncardiac Causes
Biomarker of Myocardial Injury Troponin T or I
INVASIVE EVALUATION
PRECIPITATING FACTORS FOR ADHF
TREATMENT OF ADHF
Oxygen
Morphine
Diuretics
Vasodilators
Nitroglycerin
Nesiritide
Nitroprusside
Inotropic Agents
Dopamine
Dobutamine
Milrinone
Levosimendan
Vasopressin Antagonist
Neurohormonal Blockade
Beta-blocker
Angiotensin-Converting Enzyme Inhibitors
Aldosterone Antagonists
Ultrafiltration
Management of Atrial Fibrillation in Heart Failure Patients
ANEMIA
MECHANICAL CIRCULATORY DEVICES
Intra-Aortic Balloon Pump Counter-pulsation
Complications
Extra Corporeal Membrane Oxygenation
VENTRICULAR ASSIST DEVICES
TandemHeart
Contraindications of TandemHeart Device
Complication of TandemHeart Device
Impella Recover
Contraindications
Complications
Continuous Aortic Flow Augmentation
Implantable Cardioverter-Defibrillator
CARDIAC RESYNCHRONIZATION THERAPY
DISCHARGE PLANNING AND OUTPATIENT CARE
SUMMARY
CHAPTER 17:
Cardiac Arrhythmias in ICU
OBJECTIVES
INTRODUCTION
NORMAL ECG WAVES AND INTERVALS
NORMAL SINUS RHYTHM (FIG. 2)
Mechanisms of Tachyarrhythmias
SUPRAVENTRICULAR TACHYARRHYTHMIAS
Diagnosis
SINUS TACHYCARDIA
ECG Features (Fig. 3)
Treatment
ATRIAL FIBRILLATION
Classification
ECG Features (Fig. 4)
Management (Flowchart 2)
Rate Control
Rhythm Control
Anticoagulation Strategies
ATRIAL FLUTTER
ECG Features (Fig. 5)
Management
PAROXYSMAL SUPRAVENTRICULAR TACHYCARDIA
Atrioventricular Nodal Re-entrant Tachycardia
ECG Features (Fig. 6)
Atrioventricular Re-entry Tachycardia
ECG Features
Atrial Tachycardia
ECG Features (Fig. 7)
Management (Flowchart 3)
Carotid Sinus Massage: Steps
Drugs
Adenosine
Nondihydropyridine Calcium Channel Blockers and Beta-Blockers
MULTIFOCAL ATRIAL TACHYCARDIA
ECG Features (Fig. 8)
Management
VENTRICULAR TACHYARRHYTHMIAS
Ventricular Premature Complexes
ECG Criteria (Fig. 9)
Treatment
Ventricular Tachycardia
Lewis Lead
Classification
Differential Diagnosis of Wide Complex Tachycardia (Flowcharts 4 and 5)
Morphologic Criteria for Ventricular Tachycardia
Management
Polymorphic Ventricular Tachycardia
BRADYARRHYTHMIAS AND CONDUCTION BLOCK
Normal Conduction System
Sinus Node Abnormalities
Atrioventricular Block (Table 5)
Atropine
Temporary Pacemakers
CHAPTER 18:
Hypertensive Emergency
INTRODUCTION
DEFINITION
Accelerated Hypertension
Malignant Hypertension
Hypertensive Urgency
Hypertensive Emergency
PATHOPHYSIOLOGY
DIAGNOSIS OF HYPERTENSIVE EMERGENCY
Medical History
Physical Examination
Laboratory Evaluation
TREATMENT OF HYPERTENSIVE EMERGENCY
PHARMACOLOGIC AGENTS FOR TREATMENT OF HYPERTENSIVE EMERGENCY
Hydralazine
Nicardipine
Fenoldopam
Clevidipine
Enalaprilat
Sodium Nitroprusside
Nitroglycerin
Labetalol
Esmolol
Phentolamine
SPECIAL CONDITIONS
Cerebrovascular Accident
Aortic Dissection
Preeclampsia and Eclampsia
Sympathetic Crisis
Myocardial Ischemia
Acute Heart Failure
Acute Postoperative Hypertension
CONCLUSION
CHAPTER 19:
Pacing in the ICU Setting
HISTORICAL PERSPECTIVES
INDICATIONS
Bradycardias
Asystolic Arrest
Sinus Node Dysfunction
Atrioventricular Blocks
Drug-Induced Bradycardias
Tachycardias
PROCEDURAL DETAILS
Equipment
Pacing (Pulse) Generator
Introducer Sheath
Pacing Lead
Connecting Cable
Procedural Characteristics
Testing Threshold
Testing Sensitivity
Final Assessment
COMPLICATIONS
Local Site Complications
Complications of Lead Placement
EMERGENCY TRANSCUTANEOUS PACING
CHAPTER 20:
Pulmonary Embolism
INTRODUCTION
PATHOPHYSIOLOGY
CLINICAL FEATURES
INITIAL RESUSCITATION
Respiratory Support
Hemodynamic Support
Intravenous Fluid Therapy
Vasopressor/Ionotropic Support
DIFFERENTIAL DIAGNOSIS
ASSESS CLINICAL PROBABILITY OF PULMONARY EMBOLISM
MASSIVE PULMONARY EMBOLISM
SUBMASSIVE PULMONARY EMBOLISM
LOW RISK PULMONARY EMBOLISM
TREATMENT
Empiric Anticoagulation
INVESTIGATIONS
THROMBOLYTIC THERAPY PROTOCOL
IVC Filters
Embolectomy
Catheter Embolectomy
Surgical Embolectomy
SUMMARY AND RECOMMENDATIONS
CHAPTER 21:
Intensive Care Unit Management of Patients with Right Heart Failure
INTRODUCTION
DEFINITION
ETIOLOGY AND PATHOPHYSIOLOGY OF RIGHT VENTRICULAR FAILURE
Factors Affecting Right Ventricular Function in ICU
Monitoring of Right Ventricular Function in the ICU
Pulmonary Artery Catheterization (PAC)
Echocardiography
Cardiac Magnetic Resonance Imaging
Biomarkers
TREATMENT OF RIGHT VENTRICULAR FAILURE
General Supportive ICU Care
Strategies to Improve Right Ventricular Function (Flowchart 2)
Interventions that Optimize Volume Status, Minimize Hypoxic Pulmonary Vasoconstriction and Target Arrhythmias:
Interventions that Minimize Effects of Mechanical Ventilation
Interventions that Improve RV Inotropy and Increase RV Perfusion Pressure
Interventions that Decrease RV Afterload (Pulmonary Vasodilators)
LUNG TRANSPLANTATION, BRIDGING, AND EXTRACORPOREAL LIFE SUPPORT (ECLS)
Pumpless Lung Assist Devices Inserted into the Pulmonary Circulation
ETHICAL CONSIDERATIONS AND END-OF-LIFE CARE
SUMMARY
SECTION 3: RESPIRATORY CARE
CHAPTER 22:
Community Acquired Pneumonia
INTRODUCTION
EPIDEMIOLOGY
Definition
Incidence, Morbidity and Mortality
Classification of Pneumonia
Risk Factors Associated with CAP
PATHOGENESIS OF CAP
Causative Agents
Diagnosis
IDSA Suggested Investigations Guidelines in CAP (Table 5)
Management of CAP
British Thoracic Society Criteria (BTS)-CURB 65
Pneumonia Severity Index (PSI) (Flowchart 1 & Tables 6 and 7)
Criteria for Severe Community Acquired Pneumonia
Minor Criteria
Major Criteria
Antibiotic Therapy
Recommended Antibiotic Therapy for CAP
Outpatient Treatment
Special Concerns
Duration of Antibiotic Therapy and Switchover to Oral Antibiotics
Treatment of Viral Pneumonias
Nonresponding Pneumonia
Prevention
SUMMARY
CHAPTER 23:
Ventilator-Associated Pneumonia
INTRODUCTION
HEALTHCARE-ASSOCIATED PNEUMONIA
EPIDEMIOLOGY OF VAP
CLINICAL PRESENTATION OF VAP
Patient History
Diagnostic Triad
RISK FACTORS FOR VAP
Intubation Considerations
Patient Position
Subglottic Aspiration
Humidification
Sedation and Weaning
Feeding, Aspiration, and Body Positioning
Prevention of Stress-Related Bleeding
Use of Antibiotics and Control of Colonization
LABORATORY STUDIES
IMAGING STUDIES
SAMPLING OF SECRETIONS IN THE PROXIMAL AIRWAY
SAMPLING OF SECRETIONS IN THE DISTAL AIRWAY
Bronchoscopic Sampling
THORACOCENTESIS, THORACOTOMY, AND BIOPSY
TREATMENT OF NOSOCOMIAL PNEUMONIA
Selection of Antibiotics
Patterns of Antibiotic Resistance
CHAPTER 24:
Acute Respiratory Distress Syndrome
INTRODUCTION
DEFINITIONS OF ARDS
CLINICAL DISORDERS ASSOCIATED WITH ARDS
PATHOPHYSIOLOGY
The Acute or Exudative Phase
Intermediate Phase
Resolution
Baby Lung Concept
Characteristics of a Baby Lung
EFFECT OF POSITIVE PRESSURE VENTILATION IN ARDS LUNGS
VENTILATORY STRATEGIES IN ARDS
Open Lung
Landmark ARDS net Study
High versus Low PEEP
Ventilator Procedures
SECTION 4: LIVER AND DIGESTIVE SYSTEM
CHAPTER 25:
Acute Liver Failure
INTRODUCTION
DEFINITION
Etiology
Viral Infections
Drug-induced Injury
Pathogenesis of Acute Liver Failure
Clinical Management
Initial Evaluation and Case Specific Management
Other Causes of ALF
ICU Management of ALF
Outline of ICU Management
Management of Intracranial Hypertension
Intracranial Hypertension: General Management Principles
Role of ICP Monitoring
Management of Hemodynamics
Management of Coagulopathy
Renal Failure Management
Infectious Disease Considerations
Nutrition
Prediction for Spontaneous Recovery
Liver Support Devices
LIVER TRANSPLANTATION
Future Direction
CONCLUSION
CHAPTER 26:
Acute Pancreatitis
INTRODUCTION
ETIOLOGY
EPIDEMIOLOGY
ASSESSMENT OF SEVERITY
DEFINING THE SEVERITY
HISTORY
PHYSICAL EXAMINATION
DIAGNOSIS
Some Important Comments
TREATMENT
Fluid Resuscitation
Nutritional Support
ANTIBIOTIC PROPHYLAXIS
Sterile Necrosis
Infected Necrosis
ERCP IN ACUTE PANCREATITIS
CHOLECYSTECTOMY
For Mild Biliary Pancreatitis
For Severe Biliary Pancreatitis
Newer, Unproven Drugs
CONCLUSION
CHAPTER 27:
Hepatorenal and Hepatopulmonary Syndromes
HEPATORENAL SYNDROME
DEFINITION
Classif ication of the Cirrhotics
A Classical Case Presentation
HEPATORENAL SYNDROME
Clinical Types of Hepatorenal Syndrome
Epidemiology
Differential Diagnosis
Diagnostic Criteria
Major Criteria
Minor Criteria
Pathophysiology
Treatment of Hepatorenal Syndrome
Terlipressin
Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Liver Transplantation
DEFINITION
PATHOPHYSIOLOGY
Hypoxemia
Clinical Manifestations
DIAGNOSIS
Diagnostic Procedures
TREATMENT
Medical Therapy
Interventions other Than Liver Transplantation
Embolotherapy
Portal Decompression wtih Transjugular Intrahepatic Portosystemic Shunt
Orthotopic Liver Transplantation
CHAPTER 28:
Anesthesia for Liver Transplantation
INTRODUCTION
ANESTHETIC MANAGEMENT OF DONOR
Anesthetic Management of the Living Donors
Anesthetic Management of Brain-Dead Donors
ANESTHETIC MANAGEMENT OF THE RECIPIENTS
Preoperative Evaluation and Optimization
Intraoperative Management
Three Phases of Liver Transplantation
Early-extubation (Fast-tracking)
Postoperative Care
Monitoring in Postoperative Period
Postoperative Ventilatory Support
Pain Management
Fluids and Blood Products
Immunosuppression
Infection Prophylaxis
Nutrition
Postoperative Adverse Events
CHAPTER 29:
Critical Care Aspects in Adult Liver Transplantation
INTRODUCTION
FUNCTION OF THE LIVER ALLOGRAFT
SYSTEMIC MANAGEMENT
Pulmonary System
Cardiovascular System
Fluid and Electrolytes
Renal System
Gastrointestinal System
Central Nervous System
Endocrine and Metabolic Problems
Coagulopathy
Infection
Immunosuppressive Therapy
POORLY FUNCTIONING ORGAN GRAFTS
Primary Graft Failure
Small-for-size Syndrome
Vascular Thrombosis
Biliary Complications
Nutritional Support
CONCLUSION
SECTION 5: RENAL CARE
CHAPTER 30:
Diagnosis of Acute Kidney Injury
INTRODUCTION
LABORATORY ASSESSMENT OF RENAL FUNCTION
RADIOLOGIC STUDIES
RENAL BIOPSY
CHAPTER 31:
Renal Replacement Therapy
INTRODUCTION
INDICATIONS
PRINCIPLES OF RENAL REPLACEMENT THERAPY
Ultrafiltration
Diffusion
Convection
Intermittent Hemodialysis
RECOMMENDATIONS FOR SYSTEMATIC USE
Advice for the Most Hemodynamically Unstable Patients
Additional Recommendations
WHAT IS BEST FOR ICU?
Slow Continuous Ultrafiltration
Continuous Venovenous Hemofiltration
Continuous Venovenous Hemodialysis
Continuous Venovenous Hemodiafiltration
Slow Low Efficiency Daily Dialysis
Advantages of Continuous Renal Replacement Therapy
Disadvantages of Continuous Renal Replacement Therapy
CHAPTER 32:
Critical Care Management of Renal Transplant Recipients
INTRODUCTION
HEMODYNAMIC STABILITY
INFECTION PROPHYLAXIS
GRAFT FUNCTION
IMMUNOSUPPRESSANTS
CARDIOVASCULAR STABILITY
OTHER SUPPORTIVE CARE
CHAPTER 33:
Acid-Base Disorders in Critical Care
INTRODUCTION
PHYSIOLOGY OF ACID-BASE HOMEOSTASIS
ANALYSIS OF DISORDERS OF ACID-BASE BALANCE
HOW DO YOU DIAGNOSE ACID-BASE DISORDERS?
METABOLIC ACIDOSIS
Clinical Aspects of Metabolic Acidosis
Anion Gap
Osmolar Gap
HIGH AG METABOLIC ACIDOSIS
Lactic Acidosis—Causes and Management
Ketoacidosis
Acidosis Due to Toxin Ingestion
Acidosis Due to Renal Failure
NORMAL AG METABOLIC ACIDOSIS
RESPIRATORY ACIDOSIS
RESPIRATORY ALKALOSIS
METABOLIC ALKALOSIS
METABOLIC ALKALOSIS—STEPWISE DIAGNOSIS (Flowchart 2)
CHAPTER 34:
Disorders of Potassium
PATHOPHYSIOLOGY OF POTASSIUM
HYPOKALEMIA
Causes of Hypokalemia
Clinical Manifestations of Hypokalemia
Diagnosis of Hypokalemia
Treatment of Hypokalemia
Potassium Deficit
Potassium Preparations
Mild-to-Moderate Potassium Depletion
Severe Hypokalemia
HYPERKALEMIA
Etiology
Causes of Hyperkalemia
Pseudohyperkalemia
Decreased Potassium Elimination
Clinical Manifestations of Hyperkalemia
Cardiac Effects
Neuromuscular Effects
Metabolic Effects
Treatment of Severe Hyperkalemia
Membrane Antagonism
Intracellular Shifting
Elimination of Potassium from the Body
ADDRESSING UNDERLYING CAUSE
CHAPTER 35:
Sodium Disorders
HYPERNATREMIA
INTRODUCTION
FREQUENCY AND TIMING OF HYPERNATREMIA IN CRITICALLY ILL PATIENTS
WATER HOMEOSTASIS AND PATHOPHYSIOLOGY OF HYPERNATREMIA (Fig. 1)
CONSEQUENCES OF HYPERNATREMIA
INFLUENCE OF HYPERNATREMIA ON THE OUTCOME OF CRITICALLY ILL PATIENTS
MECHANISM OF HYPERNATREMIA
Hypernatremia with Water and Solute Loss
Hypernatremia with Pure Water Loss
Hypernatremia with Increased Total Body Solute
TREATMENT
Treating Underlying Causes
Type of Fluid Replacement
CONCLUSION
INTRODUCTION
Relationship between Plasma Na+ and Plasma Osmolality
Regulation of P-[Na+ ]/Regulation of Plasma Osmolality
CLASSIFICATION
Hyperosmolar
Iso-osmolar
Hypo-osmolar
MANAGEMENT
Hyponatremia with Severe Symptoms— Airway, Breathing, Circulation and 3% NaCl Bolus Therapy
Treatment of Hyponatremia without Severe Symptoms
Salt Infusions
Fluid Restriction
Diuretic Therapy
ADH-V2 (Antidiuretic) Receptor Antagonist
HOW TO GIVE SALINE CORRECTION
Central Pontine Myelinolysis
RISK FACTORS
Recommendations
DIAGNOSTIC WORKUP
Plasma Osmolality
Urine Osmolality
Urinary Na+ Concentration
Fractional Excretion of Sodium
SPECIAL SCENARIO
SIADH
Cerebral Salt Wasting Syndrome
CHAPTER 36:
Disorders of Calcium and Magnesium
INTRODUCTION
CALCIUM METABOLISM
DISORDERS OF CALCIUM METABOLISM
Hypocalcemia
Treatment
Hypercalcemia
Treatment
MAGNESIUM METABOLISM
DISORDERS OF MAGNESIUM METABOLISM
Hypomagnesemia
Signs and Symptoms
Diagnosis
Causes22
Treatment
SECTION 6: NEUROLOGICAL CARE
CHAPTER 37:
Management of Critically Ill Trauma Patients
INTRODUCTION
GENERIC APPROACH TO TRAUMA CARE
PREPARATION
TRIAGE
PRIMARY SURVEY
Airway with Cervical Spine Control
Breathing and Ventilation
Circulation with Hemorrhage Control
Disability
Exposure and Environmental Control
Adjuncts to Primary Survey and Resuscitation
SECONDARY SURVEY
TERTIARY ASSESSMENT AND ONGOING PHYSIOLOGIC SYSTEM CONTROL
Respiratory Control
Circulatory Control
Nervous System Control
Monitoring ICP
Care of Postoperative Neurotrauma Patient
Analgesia and Sedation
Metabolic Control
Nutrition
Host Defense
Abdominal Problems
Musculoskeletal Trauma
REHABILITATION
BRAIN DEATH AND ORGAN DONATION
SUMMARY
CHAPTER 38:
Management of Spinal Injury
INTRODUCTION
ETIOLOGY
PATHOGENESIS
Primary Injury
Secondary Injury
CLINICAL FEATURES
Neurological Assessment
Associated Injuries
IMAGING
X-Ray
Computerized Tomography
Magnetic Resonance Imaging
CLEARANCE OF CERVICAL SPINE
MANAGEMENT
Prehospital Management
Initial Stabilization
Emergency Management
Evaluation
Hospital/ICU Management
Respiratory
Respiratory Dysfunction
Respiratory Management
Respiratory Complications
Endotracheal Intubation with Cervical Spinal Injury
Tracheostomy
Weaning from Mechanical Ventilation
Non-Invasive Ventilation
Cardiovascular
Cardiovascular Dysfunction
Cardiovascular Management
Cardiovascular Complications
Venous Thromboembolism
Neurological
Skeletal
OUTCOME
Neurological Recovery
Survival
CHAPTER 39:
Neurocritical Care Management of Subarachnoid Hemorrhage
INTRODUCTION
Clinical Presentation
Diagnosis
Neuromonitoring in SAH
Management of SAH and Its Complications
Neurological Complications of SAH
Non-Neurological Complications of SAH
Cardiopulmonary Complications
Dysnatremia
Fever
Glycemic Control
Anemia
Deep Venous Thrombosis
CHAPTER 40:
Intensive Care Management of Postoperative Neurosurgical Patients
INTRODUCTION
LOCATION AND DURATION OF POSTOPERATIVE NEUROCRITICAL CARE
POSTOPERATIVE ANESTHESIA CONSIDERATIONS
GOALS OF POSTOPERATIVE NEUROSURGICAL CARE
PREVENTION AND MANAGEMENT OF SYSTEMIC COMPLICATIONS AFTER NEUROSURGERY
Cardiac Dysfunction
Neurogenic Pulmonary Edema
Hypercoagulopathy and Thrombosis Prophylaxis
PREVENTION AND MANAGEMENT OF POSTOPERATIVE NEUROSURGICAL COMPLICATIONS
Postoperative Brain Swelling
Postoperative Intracranial Hematoma
Hydrocephalus
Seizures
Tension Pneumocephalus
MONITORING DURING THE POSTOPERATIVE PERIOD
Respiratory Monitoring
Cardiovascular System
Neurological Monitoring
Temperature Monitoring
Intracranial Pressure Monitoring and Cerebral Perfusion Pressure
Cerebral Blood Flow Monitoring
Cerebral Oxygenation and Metabolism
Microdialysis
Electroencephalogram (EEG) Monitoring
POSITIONING OF THE PATIENT IN THE POSTOPERATIVE PERIOD
POSTOPERATIVE ANALGESIA
POSTOPERATIVE FLUID MANAGEMENT
NEUROSURGICAL INTENSIVE CARE UNIT DISCHARGE CRITERIA
CONCLUSION
SECTION 7: OBSTETRIC CRITICAL CARE
CHAPTER 41:
Physiology of Pregnancy
INTRODUCTION
PHYSIOLOGICAL CHANGES DURING PREGNANCY AND ITS RELEVANCE IN ICU CARE OF OBSTETRIC PATIENTS
RESPIRATORY CHANGES
CARDIAC CHANGES
RENAL CHANGES
FETAL PHYSIOLOGY
Maternal Fetal Circulation
ACID-BASE STATUS
PLACENTAL GAS EXCHANGE
Introduction
Gas Exchange: Comparing Placenta with Lung
Mechanisms to Match Increased Fetal Requirements
Uterine Blood Flow at Term and Fetal Blood Flow
Fetal Hemoglobin Have Low P50
Double Bohr Effect
Special Factors Which Assist Carbon Dioxide Transfer Across the Placenta
pO2, SO2 and pCO2 Values in the Uterine Vessels and in the Umbilical Vessels (Table 3)
Oxygen Balance Across the Placenta
Using the Typical Values Above
Oxygen Dissociation Curves for Maternal and Fetal Hemoglobin (Fig. 4)
Can Permissive Hypercapnea be Allowed in Parturients with ARDS?
RADIOLOGIC PROCEDURES AND FETAL RISK
DRUG THERAPY
CHAPTER 42:
Respiratory Disorders During Pregnancy
INTRODUCTION
ASTHMA
Effect on Pregnancy
Management
ACUTE RESPIRATORY DISTRESS SYNDROME
Nonventilatory Strategies
Fluid Balance
Steroids
Sedation and Paralysis
Blood Transfusions
Nutrition
Ventilatory Strategies
Tidal Volume
Plateau Pressures
Positive End-Expiratory Pressure
Inverse Ratio Ventilation
Prone Ventilation
High Frequency Ventilation
Pulmonary Hypertension
CHAPTER 43:
Liver Disease Complicating Pregnancy
INTRODUCTION
CHAPTER 44:
Peripartum and Postpartum Intensive Care in Pregnancy
INTRODUCTION
PERIPARTUM ISSUES AND ANESTHETIC CONSIDERATIONS
Maternal Sepsis
Anticoagulants, Coagulopathy and CNBs
Respiratory Failure and Cardiac Failure in Pregnancy
CNS Disorders, Musculoskeletal Disorders and CNBs
Pain Syndromes in Obstetric Intensive Care Unit
GENERAL ENDOTRACHEAL ANESTHESIA IN ICU PATIENTS
WHEN TO DELIVER
Other Ethical Considerations
CONCLUSION
C ARE OF BRAIN-DEAD MOTHER
SECTION 8: PEDIATRIC CRITICAL CARE
CHAPTER 45:
Recognition and Assessment of Critically Ill Child
INTRODUCTION
Evaluate, Identify and Intervene
INITIAL IMPRESSION
Consciousness
Work of Breathing
Circulation to Skin
PRIMARY ASSESSMENT
A: Airway
B: Breathing
Intervention
C: Circulation
D: Disability (Mental Status)
E: Exposure
SECONDARY ASSESSMENT
ONGOING ASSESSMENT
Categorization by Severity— Respiratory Distress
Respiratory Failure
Categorization by Severity
Hypotensive
Initial Stabilization
Common Initial Interventions
Foreign Body Obstruction
If known Foreign Body Obstruction
Monitor Oxygen Saturation If Pulse Oximeter is Available
Shock
First Dose of Antibiotic
Fever control
Transport
Take Home Message
CHAPTER 46:
Pediatric Septic Shock
INTRODUCTION
PATHOPHYSIOLOGY
CLINICAL PROGRESSION OF SEPTIC SHOCK
IMMUNITY IN SEPTIC SHOCK
DEFINITIONS AND SEVERITY OF SEPSIS
EARLY RECOGNITION OF SEPTIC SHOCK
LABORATORY TESTING
MONITORING PARAMETERS IN PEDIATRIC SEPTIC SHOCK
MANAGEMENT OF SHOCK
Airway and Oxygen
Intravenous Access
Fluid Resuscitation
Cardiovascular Support
End-Points
MULTI-PRONGED SEPSIS CONTROL STRATEGY
Source Control and Antibiotics
Correction of Metabolic Derangements
Acidosis
Glucose
Hypocalcemia
Temperature Regulation
Respiratory/Ventilatory Support
Cerebral Protection
Renal Salvage/Replacement
Gastrointestinal Support
Hematological Support
Nutritional Support
Corticosteroids Therapy
Intravenous Immunoglobulins
Anti-inflammatory and Immunotherapy
CATECHOLAMINE REFRACTORY SHOCK
PROGNOSIS AND OUTCOME OF SEPTIC SHOCK
FUTURE DIRECTIONS
CHAPTER 47:
Status Epilepticus
DEFINITION
CLASSIFICATION
ETIOLOGY
PATHOPHYSIOLOGY
DIAGNOSIS
TREATMENT OF STATUS EPILEPTICUS
INITIAL STABILIZATION
Airway
Breathing
Circulation
Disability
EVALUATION
History
Physical Examination
TERMINATION OF SEIZURES
Step 1
Step 2
Step 3
Intravenous Levetiracetam
Step 4
Benzodiazepine Infusion
Barbiturates
Propofol
Ketamine
Lidocaine
Inhalational Anesthetics
Other Treatment Options
Pyridoxine Infusion
Immunotherapy
Resective Neurosurgery
Ketogenic Diet
Other Options
OUTCOME
CHAPTER 48:
Raised Intracranial Pressure in Children with an Acute Brain Injury: Monitoring and Management
INTRODUCTION
CEREBRAL PHYSIOLOGY AND INTRACRANIAL DYNAMICS
Monro-Kellie Doctrine
Intracranial Pressure: Normal Values
Intracranial Pressure: Threshold for Treatment
Compliance and Autoregulation
Cerebral Perfusion Pressure
PATHOPHYSIOLOGY RELATED TO RAISED INTRACRANIAL PRESSURE
ETIOLOGY OF RAISED INTRACRANIAL PRESSURE
ASSESSMENT AND MONITORING
CLINICAL SIGNS
Signs of Brain Herniation Syndrome
INTRACRANIAL PRESSURE MONITORING
Indications
Sites for Intracranial Pressure Monitoring
Intracranial Pressure Waveforms
Complications of Intracranial Pressure Monitoring
MANAGEMENT OF RAISED INTRACRANIAL PRESSURE
GOALS AND PRINCIPLES OF THERAPY
Airway, Breathing and Circulation
Airway
Breathing
Circulation
GENERAL MEASURES
Head Elevation and Position
Management of Respiratory Failure
Sedation and Analgesia
Temperature Control
Hypertension
Glucose Control
Treatment of Anemia
Prevention of Seizures
Before Painful Stimuli and Gastrointestinal Prophylaxis
Glycerol and Corticosteroids
MEASURES FOR REFRACTORY RAISED INTRACRANIAL PRESSURE
Hyperosmolar Therapy
Mannitol (20%)
Hypertonic Saline (3%)
Heavy Sedation and Paralysis
Hyperventilation
Metabolic Suppression Therapy
Induced Hypothermia
Surgical Modalities
Cerebral Perfusion Pressure Targeted Protocols
SECTION 9: INFECTIONS
CHAPTER 49:
Extended Spectrum Beta Lactam Producing Infections in Intensive Care Unit
INTRODUCTION
ESBL CLASSIFICATION
TYPES OF ESBL
ESBL IS A GLOBAL PROBLEM
USA
Europe
South America
Asia
India
Africa
WHAT ARE THE RISK FACTORS FOR ESBL INFECTIONS?
ANTIBIOTIC STRATEGIES FOR ESBL INFECTIONS
ANTIBIOTIC SELECTION
Carbapenems
Cephalosporins
Cephamycins
Use of Beta-lactam with Beta-lactamase Inhibitors for ESBL Infections
Other Antibiotic Choices for Treatment of ESBL Infections
Microbiological Detection of ESBLs in Laboratory
ESBLs Detection Needs more than One Method
Automated Tests for ESBL Detection
SUMMARY
CHAPTER 50:
Infections in Immunocompromised Patients in ICU
INTRODUCTION
PATHOGENESIS
DIABETIC PATIENTS WITH LIFE-THREATENING INFECTIONS
Epidemiology
Specific Infections
Urinary Tract Infections
Skin and Soft Tissue Infections
Fungal Infections
Management
Antimicrobial Therapy
Surgical Indications and Therapy
Supportive Therapy
Outcome
COPD PATIENTS WITH LIFE-THREATENING INFECTIONS
Epidemiology
Specific Infections
Acute Exacerbation of COPD
Community-acquired Pneumonia
Invasive Pulmonary Aspergillosis
Other Infections
Management
Antimicrobial Therapy
Supportive Care
Outcome
CKD PATIENT WITH LIFE-THREATENING INFECTIONS
Epidemiology
Specific Infections
Catheter-related Bloodstream Infections
Peritonitis
Community-acquired Pneumonia
Management
Antimicrobial Therapy
Surgical Indication and Therapy
Supportive Therapy
Outcome
CIRRHOTIC PATIENTS WITH LIFE-THREATENING INFECTIONS
Epidemiology
Specific Infections
Spontaneous Bacterial Peritonitis
Community-acquired Pneumonia
Skin and Soft Tissue Infections
Community-acquired Bacterial Meningitis
Endotipsitis
Management
Antimicrobial Therapy
Intravenous Albumin
Low-dose Hydrocortisone Therapy
Granulocyte Colony-stimulating Factor
Outcome
HEART FAILURE PATIENTS WITH LIFE-THREATENING INFECTIONS
Epidemiology
Specific Infections
Antimicrobial Therapy
Outcome
SUMMARY
CHAPTER 51:
Invasive Fungal Infections in Critically Ill Patients
INTRODUCTION
EPIDEMIOLOGY
Candida Albicans
Candida Glabrata
Candida Parapsilosis
Candida Tropicalis
Candida Krusei
Aspergillosis
PATHOGENESIS
Pathogenesis of Invasive Candidiasis
Pathogenesis of Aspergillosis
DIAGNOSIS
RISK PREDICTION MODELS
Prediction on Microbiological Parameters Only
Prediction on the Basis of Clinical Parameters (Clinical Prediction Rules)
Prediction on the Basis of Both Microbiological and Clinical Parameters
DIAGNOSTIC TOOLS
Nonculture-based Methods
TREATMENT STRATEGIES FOR ASPERGILLUS INFECTIONS
American Thoracic Society Guidelines 2011
BASIC PHARMACOLOGY OF ANTIFUNGALS
POLYENES-Prototype Amphotericin B
Side Effects
Triazole
Individual Agents
Echinocandins
Individual Agents
CASE SCENARIO
What Could Have Done Wrong?
What Could Have Been Done?
What Would Have Been an Ideal Antifungal Agent?
CONCLUSION
KEY POINTS
CHAPTER 52:
Febrile Neutropenia
INTRODUCTION
AN ILLUSTRATIVE CASE
DEFINITION OF FEBRILE NEUTROPENIA
Common Causative Bacterial Pathogens Implicated in Febrile Neutropenia
MANAGEMENT OF FEBRILE NEUTROPENIA
Initial Management Approach
Indications for Adding a Gram-positive Antibiotic
Management Approach to Patients Who Remain Febrile After 24–48 Hours of Antibiotic Therapy
AN APPROACH TO FEBRILE NEUTROPENIC PATIENTS
Consider Alternate Causes of Fever
Special Patient Groups Like Bone Marrow Transplant may Require More Extensive Evaluation
Evaluation in Solid Organ Recipients
Duration of Antibiotic Therapy
SUMMARY
CHAPTER 53:
Fever in the ICU
INTRODUCTION
DEFINITIONS
PHYSIOLOGY
BENEFICIAL EFFECTS OF FEVER
DELETERIOUS EFFECTS OF FEVER
NONINFECTIOUS CAUSES OF FEVER
OTHER NONINFECTIOUS CAUSES OF FEVER
INFECTIOUS CAUSES OF FEVER
DRUG FEVERS
POSTOPERATIVE FEVER
APPROACH TO FEVER IN ICU
NEW FEVER IN ICU
RECOMMENDATIONS FOR MEASURING TEMPERATURE
RECOMMENDATIONS FOR OBTAINING BLOOD CULTURES
Recommendations for Management of Intravascular Catheters
RECOMMENDATIONS FOR EVALUATION OF PULMONARY INFECTIONS
IF PNEUMONIA IS DOCUMENTED
RECOMMENDATIONS FOR CULTURES IN PULMONARY INFECTIONS
Recommendations for Evaluation of Gastrointestinal Tract Stool Evaluation in Febrile ICU Patient
RECOMMENDATIONS FOR EVALUATION OF THE URINARY TRACT
RECOMMENDATIONS FOR EVALUATION OF CENTRAL NERVOUS SYSTEM
RECOMMENDATIONS FOR EVALUATION OF THE SINUSES
RECOMMENDATIONS FOR EVALUATION OF FEVER WITHIN 72 HOURS OF SURGERY
RECOMMENDATIONS FOR EVALUATION OF SURGICAL SITE INFECTION
RECOMMENDATIONS FOR USING BIOMARKERS TO DETERMINE THE CAUSE OF FEVER
CHAPTER 54:
Cytomegalovirus Infection in Critically Ill Patients
INTRODUCTION
RISK FACTORS
PATHOPHYSIOLOGY
DIAGNOSIS
MANAGEMENT
CHAPTER 55:
Tropical Infections in ICU
INTRODUCTION
FEVER WITH THROMBOCYTOPENIA
FEVER WITH PULMONARY DYSFUNCTION
FEVER WITH HEPATORENAL DYSFUNCTION
FEVER WITH CENTRAL NERVOUS SYSTEM INVOLVEMENT
FEVER WITH SHOCK
MANAGEMENT OF SPECIFIC INFECTIONS IN ICU
Severe Falciparum Malaria
Incidence
Pathogenesis
Diagnosis
Management
Management of Complications
Cerebral Malaria
Acute Kidney Injury
Acute Respiratory Distress Syndrome
Anemia, Coagulopathy and DIC
Hyperparasitemia
Fluid and Electrolyte Disturbances
Shock or Circulatory Collapse
Hypoglycemia
Severe Dengue Fever
Dengue Fever with Warning Signs
Leptospirosis
Clinical Features
Laboratory Findings
Diagnosis
Treatment
Scrub Typhus
Complications
Diagnosis
Treatment
CONCLUSION
CHAPTER 56:
Tropical Fever— Management Guidelines ISCCM Tropical Fever Group
Undifferentiated Fever
Fever with Rash/Thrombocytopenia
Fever with Acute Respiratory Distress Syndrome (ARDS)
Febrile Encephalopathy
Fever with Multiorgan Dysfunction
MANAGEMENT
SPECIFIC INFECTIONS
SCRUB TYPHUS
Lab Diagnosis (Serology)14
Treatment15,16
LEPTOSPIROSIS
Biphasic Clinical Presentation
Anicteric Leptospirosis
Icteric Leptospirosis (Weil's disease)
Diagnosis19,20
Treatment 21,22
DENGUE
Diagnosis
Treatment26
MALARIA
Treatment28
ENTERIC FEVER
Manifestations
Diagnosis31
Treatment32
JAPANESE ENCEPHALITIS
Diagnosis
Treatment
SECTION 10: ETHICS AND END-OF-LIFE CARE ISSUES
CHAPTER 57:
Bioethical Considerations
INTRODUCTION
ROLE OF ETHICS COMMITTEE
COMMUNICATION
CHAPTER 58:
End-of-Life Care Practices in the World
INTRODUCTION
SECTION 11: MISCELLANEOUS
CHAPTER 59:
Burns, Inhalation and Electrical Injury
INTRODUCTION
PREVALENCE
CAUSES
INCIDENCE OF BURNS
Young Children
Older Children and Adolescents
Working Age
Elderly People
Compromising Factors
AIMS OF BURN CARE
PATHOPHYSIOLOGY
Local Response
Systemic Response
Cardiovascular Changes
Respiratory Changes
Metabolic Changes
Immunological Changes
MECHANISMS OF INJURY/TYPES OF BURNS
Thermal Injuries
INTENSIVE CARE MANAGEMENT AND CONTROL OF INFECTION
Intensive Care Management
Airway Burns
Heart Failure
Kidney Failure
Cerebral Failure
Nutrition
INFECTION IN BURNS PATIENTS
PATHOGENESIS
Preventing Invasive Wound Infection
Diagnosing Invasive Wound Infection
TREATMENT
Infection Control
BURNS IN THE DEVELOPING WORLD AND BURN DISASTERS
Problems in Management
Strategies for Effective Burn Care in Developing Countries
Prevention Programs
Providing Treatment
Burn Disasters
Disaster Plan
Managing a Disaster
FURTHER TREATMENT
CHAPTER 60:
Diabetic Ketoacidosis
ETIOPATHOGENESIS
DIAGNOSIS
Clinically
Blood
Urine
DIFFERENTIAL DIAGNOSIS
MANAGEMENT
CHAPTER 61:
Oncological Emergencies
INTRODUCTION
TUMOR LYSIS SYNDROME
Conditions Associated with Tumor Lysis Syndrome
Risk Factors for Tumor Lysis Syndrome
Pathophysiology of Tumor Lysis Syndrome
Pathophysiology of Acute Renal Failure
Diagnosis of Tumor Lysis Syndrome
Monitoring Parameters
Treatment of Tumor Lysis Syndrome
Hydration
Antihyperuricemic Therapy
Other Supportive Therapies
HYPERCALCEMIA
Etiopathogenesis
Diagnosis
Grading Hypercalcemia of Malignancy
Treatment
Treatment Principles
Advice on Discharge
SUPERIOR VENA CAVA SYNDROME
Causes of SVC Syndrome
Clinical Features
Investigations
Imaging
Tissue Diagnosis
Treatment
Stents
SPINAL CORD COMPRESSION
BRAIN METASTASES AND INCREASED INTRACRANIAL PRESSURE
HYPERVISCOSITY SYNDROME
Etiopathogenesis
Diagnosis
Treatment
Hyperleukocytosis and Leukostasis
MALIGNANT PERICARDIAL EFFUSION
Signs and Symptoms
Diagnosis
Treatment
AIRWAY OBSTRUCTION
Signs and Symptoms
Diagnosis
Treatment
Radiation Therapy
CHAPTER 62:
Post-cardiac Arrest Syndrome
INTRODUCTION
PATHOPHYSIOLOGY
Post-cardiac Arrest Brain Injury
Post-cardiac Arrest Myocardial Dysfunction
Systemic Ischemia and Reperfusion Response
PERSISTENT PRECIPITATING PATHOLOGY
PHASES OF RESUSCITATION SYNDROME
THERAPEUTIC STRATEGIES
MONITORING
ORGAN-SPECIFIC EVALUATION AND SUPPORT
Cardiovascular System: Early Hemodynamic Optimization
Antiarrhythmic Drugs
NEUROPROTECTIVE STRATEGIES
THERAPEUTIC HYPOTHERMIA
Respiratory System
Renal System
Gastrointestinal System
Adrenal Insufficiency
Persistent Precipitating Pathology
Sepsis
Consequences of Cardiopulmonary Resuscitation
Sedation and Neuromuscular Blockade
PROGNOSTIC FACTORS
ADJUNCTIVE INVESTIGATIONS
Neurophysiological Tests
Imaging
Biochemical Markers
ETHICS
SUMMARY
CHAPTER 63:
Intra-abdominal Hypertension and Abdominal Compartment Syndrome
INTRA-ABDOMINAL HYPERTENSION AND ABDOMINAL COMPARTMENT SYNDROME
Etiology and Risk Factors
Pathophysiology of Intra- abdominal Hypertension
IAH Physiological Sequelae of Rise in Intra-Abdominal Pressure (Fig. 2)
Cardiac
Pulmonary
Gastrointestinal
Renal
Neuro
Miscellaneous
Prevalence in Critically Ill
Measurement of Intra-abdominal Pressure
Abdominal Perfusion Pressure
MANAGEMENT OF INTRA-ABDOMINAL HYPERTENSION/ABDOMINAL COMPARTMENT SYNDROME
CHAPTER 64:
Nutrition in a Critically Ill Patients
INTRODUCTION
NUTRITIONAL ASSESSMENT IN THE CRITICALLY ILL
GENERAL STRATEGY FOR ICU PATIENTS
Enteral Nutrition
Parenteral Nutrition
Immunonutrition
L-Arginine
Omega-3 Fatty Acids
Selenium
CONCLUSION
CHAPTER 65:
Approach to an Unknown Poisoning
INTRODUCTION
DIAGNOSIS
History
Examination
Identification of Toxidromes
Lab Investigations
MANAGEMENT
COMA COCKTAIL
REMOVAL OF POISON
Decontamination
Enhanced Elimination
Antidotes
CHAPTER 66:
Specif ic Intoxicatio ns
ACETAMINOPHEN
Clinical Features
Diagnostic Evaluation
Treatment
AMPHETAMINE AND COCAINE
Diagnostic Evaluation
Treatment
ALUMINUM AND ZINC PHOSPHIDE
Management
CARBON MONOXIDE (CO) POISONING
Pathophysiology
Clinical Features
Diagnostic Evaluation
Treatment
INSECTICIDE POISONING (ORGANOPHOSPHATES, CARBAMATE, ORGANOCHLORINE, HERBICIDE)
Organophosphate Poisoning
Clinical Features
Diagnostic Evaluation
Treatment of Organophosphate Poisoning (OP)
Specific Therapy
Carbamate Poisoning
Treatment
Organochlorine Poisoning
Mechanism of Action
Clinical Features
Diagnostic Evaluation
Treatment
BIPYRIDYL COMPOUND
Treatment
OPIOIDS
Clinical Features
Treatment
ALCOHOL POISONING
ETHANOL POISONING
Diagnostic Evaluation
Treatment
METHANOL POISONING
Clinical Features
Diagnostic Evaluation
Treatment
DETERGENT POISONING
CHAPTER 67:
Fatal Envenomations
INTRODUCTION
SNAKEBITE
Epidemiology
Pathophysiology of Snake Envenomation
Clinical Presentations
Investigations
Treatment
Supportive Therapy
Anti-snake Venom
Initial dose
SCORPION STING
Clinical Features
Investigations
Treatment
Local
Systemic
Specific
SPIDER BITE
Clinical Features
Treatment
INSECT BITE
Treatment
CHAPTER 68:
Care of Obese Patient in ICU
INTRODUCTION
DEFINITION AND CLASSIFICATION OF OBESITY
Extent of Problem
Airway
Mechanical Ventilation
Pharmacokinetics
Hematology
Nutrition
OBESITY PARADOX
CONCLUSION
CHAPTER 69:
Imaging in Intensive Care Unit
INTRODUCTION
Chest Imaging
Role of Radiograph
Role of Ultrasonography
Abdominal Imaging
SECTION 12: MECHANICAL VENTILATION
CHAPTER 70:
Respiratory Mechanics: Basics
INTRODUCTION
Peak Airway Pressure
Plateau Pressure
Intrinsic Positive End Expiratory Pressure
LUNG CHARACTERISTICS
Two Forces Oppose the Inflation of Lungs
Compliance
Elastance
Hysteresis
Resistance
The Decrease in Airway Diameter
Concept of Sow, Fast Alveoli, Time Constants
Time Constant
CHAPTER 71:
Principles of Mechanical Ventilation
ACUTE RESPIRATORY FAILURE
TARGETS OF VENTILATION
POSITIVE PRESSURE VENTILATION
What Initiates a Breath (Trigger Variable)
What Limits the Gas Delivery (Limit Variable)
What Terminates the Breath (Cycle Variable)
Assist/Controlled Mechanical Ventilation
Pressure Regulated Volume Control (PRVC)
Pressure Support Ventilation
Issues with Current Ventilator in Spontaneously Breathing Patients
CHAPTER 72:
Basic Modes of Ventilation
INTRODUCTION
Volume-Control Mode
Pressure Control Mode
SIMV mode (Synchronized Intermittent Mandatory Ventilation)
Pressure Support Mode
CPAP Mode
CHAPTER 73:
Ventilator Graphics
INTRODUCTION
VENTILATOR WAVEFORMS
Pressure-Time Waveform
Flow-Time Waveforms
WAVEFORMS IN DIFFERENT MODES OF VENTILATION
Finding Autopeep with Graphics
Understanding Ventilator Loops
The Inflection Points Using Loops
Abnormal PV Loops in Clinical Practice
CONCLUSION
CHAPTER 74:
Newer Modes of Ventilation
INTRODUCTION
AIRWAY PRESSURE RELEASE VENTILATION
Application of Airway Pressure Release Ventilation
Adjustments
High Mean Airway Pressure
Bi-level Mode
Using Pressure Support with Bi-level Mode of Ventilation
Automatic Tube Compensation
PROPORTIONAL ASSIST VENTILATION
NEURALLY ADJUSTED VENTILATORY ASSIST
CHAPTER 75:
Weaning/Liberation from Mechanical Ventilation
INTRODUCTION
FACTORS AFFECTING WEANING
Respiratory Load
Cardiac Load
Neuromuscular Causes
CNS Causes
Function of Other Organs
CONSIDERATIONS FOR ASSESSING READINESS TO WEAN
Clinical Assessment
Objective Measurement
Clinical Stability
Adequate Oxygenation
Adequate Pulmonary Function
Adequate Mentation
Failure Criteria of Spontaneous Breathing Trials
Clinical Assessment and Subjective Indices
Objective Measurement
Spontaneous Breathing Trial
T-tube or Pressure Support
TWO-STAGE APPROACH TO WEANING
ROLE OF NONINVASIVE VENTILATION IN WEANING
APPLICATIONS OF NONINVASIVE VENTILATION
SUMMARY
CHAPTER 76:
Non-Invasive Ventilation
INTRODUCTION
ADVANTAGES OF NIV
DIFFERENT TYPES
HOW DOES NIV WORK?
INDICATIONS OF NIV
Acute Exacerbation of COPD
Acute Cardiogenic Pulmonary Edema
Community-acquired pneumonia with ARF
INDICATIONS OF NIV IN OTHER ACUTE CONDITIONS
INDICATIONS OF NIV IN CHRONIC CONDITIONS
SELECTION GUIDELINES IN COPD PATIENTS
VENTILATORS USED TO PROVIDE NIV
Minimum Performance Characteristics for Ventilators Providing NIV
Equipment Required to Initiate NIV
Suggested NIV Settings
Oxygenation and Humidification During NIV
Monitoring
Triggering
Termination of Inspiration
The First Hour of Initiating NIV
DETERMINANTS OF NIV SUCCESS IN COPD PATIENTS
NON-INVASIVE VENTILATION FAILURE
EMERGING MODES OF NON-INVASIVE VENTILATION
CHAPTER 77:
Ventilation Strategy in Obstructive Airway Disease
INTRODUCTION
PATHOPHYSIOLOGY
VENTILATION IN ASTHMA
CHAPTER 78:
Ventilation Strategy in Trauma
INTRODUCTION
TRAUMATIC BRAIN INJURY
Intracranial Pressure
Cerebral Perfusion Pressure and Cerebral Blood Flow
Intubation in TBI
Intubation in TBI
Ventilation in TBI
CHEST TRAUMA
Independent Lung Ventilation
Recommendations of use of ILV
Independent Lung Ventilation
Clinical Scenarios and their Management
SUMMARY
CHAPTER 79:
Rescue Strategies in ARDS—Recruitment Maneuvers
RECRUITMENT
Types of Recruitment Maneuver
Slow Recruitment Maneuver
Which Patients Will Benefit More?
How to Identify Recruitable Lung?
Contraindications to Recruitment Maneuver
Discontinue the Maneuver If
Adverse Events and Mortality
Other Concerns
CHAPTER 80:
Rescue Therapy in ARDS: Prone Ventilation and High Frequency Oscillation Ventilation (HFOV)
PRONE VENTILATION
Methodology
CONTRAINDICATIONS
Contraindications to Prone Positioning
Complications
HIGH FREQUENCY OSCILLATORY VENTILATION
INDICATIONS OF HFOV
CONTRAINDICATIONS
LIMITATIONS AND PITFALLS
CHAPTER 81:
Extracorporeal Membrane Oxygenation
INTRODUCTION
EXCLUSION CRITERIA FOR NEONATAL ECMO
TYPES OF ECMO
Indications of Adult ECMO
Contraindications
STARTING ECMO
Steps in Starting ECMO
Adjustments during ECMO
Sweep Gas
Anticoagulation
Ventilatory Setting
Aggressive Diuresis
Transfusion Triggers
Weaning from ECMO
CESAR Trial
PARTIAL ECMO SUPPORT— EXTRACORPOREAL CO2 REMOVAL
NOVALUNG INTERVENTIONAL LUNG ASSIST (AV PUMP-LESS ECMO)
CHAPTER 82:
Aerosol Delivery Systems in Mechanical Ventilation
THE MECHANISM OF AEROSOL DELIVERY
AEROSOL THERAPY DURING MECHANICAL VENTILATION
SPACER OR ADAPTER DEVICES (Figs. 1A and B)
AEROSOL DELIVERY SYSTEMS
Jet Nebulizers
Ultrasonic Nebulizers (Figs. 2A and B)
AEROSOL DEVICE: VIBRATING PLATES (Figs. 3 TO 5)
AERO PROBE (FIG. 6)
PULMONARY DRUG DELIVERY SYSTEMS (FIGS. 7 AND 8)
Technique for Drug Delivery by MDI in Ventilated Patients (Fig. 9)
Technique for Drug Delivery by Jet Nebulizer in Ventilated Patients
SIGNIFICANT DIFFERENCE IN HUMIDIFIERS VERSUS NON-HUMIDIFIERS AEROSOL DELIVERY DURING NONINVASIVE VENTILATION
APPENDIX 1:
Appendix 1: Hemodynamic Formulae and Values
Cardiac Output
Normal Hemodynamic Parameters: Equations and Normal Range
APPENDIX 2:
Respiratory Formulae and Values
Fick's Equation for Oxygen Consumption
Fick Equation
Static Compliance
Dynamic Compliance
Alveolar Gas Equation
Weaning Indices
Rapid Shallow Breathing Index (RSBI)
Compliance, Rate, Oxygenation, Pressure (CROP) Index
APPENDIX 3:
Acid-Base Balance, Renal Formulae and Values
Base Deficit
Renal Equations
Cockcroft and Gault
Indices in Acute Renal Failure
Urine Analysis in Different Conditions
APPENDIX 4:
Scoring System Used in ICU
APPENDIX 5:
Spectrum of Commonly Used Antibiotic in ICU
INDEX
TOC
Index
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